Rowing machine exerciser



FIG. 1 is a perspective view of a rowing machine exerciser according to the present design;

FIG. 2 is a side view of a rowing machine exerciser of FIG. 1;

FIG. 3 is a top view of the rowing machine exerciser of FIG. 1;

FIG. 4 is an enlarged front view of the rowing machine exerciser of FIG. 1;

FIG. 5 is a bottom view of the rowing machine exerciser of FIG. 1; and,

FIG. 6 is an enlarged rear view of the rowing machine exerciser of FIG. 1. 

The ornamental design for a rowing machine exerciser, as shown. 